3-methyl-2-oxo-1,3-benzoxazole-4-carboxylic acid CAS 1553225-52-7

Purity 97%+In StockPharmaceutical Standards
CAS No.1553225-52-7
Molecular FormulaC9H13NO4
Molecular Weight199.20 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-methyl-2-oxo-1,3-benzoxazole-4-carboxylic acid CAS 1553225-52-7 chemical structure

Description

3-methyl-2-oxo-1,3-benzoxazole-4-carboxylic acid (CAS 1553225-52-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H13NO4. Molecular weight: 199.20 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC9H13NO4
Molecular Weight199.20 g/mol
AppearanceOff-white to pale yellow crystalline powder. (faint amine-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1992
Nitrogen Atoms1

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